Home / 14,471.55-19,959.46-9,689.97

Finding the Fourth Proportional to 14,471.55, 19,959.46 and 9,689.97

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Solution

The fourth proportional to 14,471.55, 19,959.46 and 9,689.97 is: 13,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.55 : 19,959.46 = 9,689.97 : x
  2. Step 2: Convert to fraction form
    14,471.55/19,959.46 = 9,689.97/x
  3. Step 3: Cross multiply
    14,471.55x = 19,959.46 × 9,689.97
  4. Step 4: Simplify right side
    14,471.55x = 193,406,568.62
  5. Step 5: Solve for x
    x = 193,406,568.62/14,471.55
  6. Step 6: Final answer
    x = 13,364.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.